1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
/*
* iommu trace points
*
* Copyright (C) 2013 Shuah Khan <shuah.kh@samsung.com>
*
*/
#undef TRACE_SYSTEM
#define TRACE_SYSTEM iommu
#if !defined(_TRACE_IOMMU_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_IOMMU_H
#include <linux/tracepoint.h>
#include <linux/pci.h>
struct device;
DECLARE_EVENT_CLASS(iommu_group_event,
TP_PROTO(int group_id, struct device *dev),
TP_ARGS(group_id, dev),
TP_STRUCT__entry(
__field(int, gid)
__string(device, dev_name(dev))
),
TP_fast_assign(
__entry->gid = group_id;
__assign_str(device, dev_name(dev));
),
TP_printk("IOMMU: groupID=%d device=%s",
__entry->gid, __get_str(device)
)
);
DEFINE_EVENT(iommu_group_event, add_device_to_group,
TP_PROTO(int group_id, struct device *dev),
TP_ARGS(group_id, dev)
);
DEFINE_EVENT(iommu_group_event, remove_device_from_group,
TP_PROTO(int group_id, struct device *dev),
TP_ARGS(group_id, dev)
);
DECLARE_EVENT_CLASS(iommu_device_event,
TP_PROTO(struct device *dev),
TP_ARGS(dev),
TP_STRUCT__entry(
__string(device, dev_name(dev))
),
TP_fast_assign(
__assign_str(device, dev_name(dev));
),
TP_printk("IOMMU: device=%s", __get_str(device)
)
);
DEFINE_EVENT(iommu_device_event, attach_device_to_domain,
TP_PROTO(struct device *dev),
TP_ARGS(dev)
);
DEFINE_EVENT(iommu_device_event, detach_device_from_domain,
TP_PROTO(struct device *dev),
TP_ARGS(dev)
);
DECLARE_EVENT_CLASS(iommu_map_unmap,
TP_PROTO(unsigned long iova, phys_addr_t paddr, size_t size),
TP_ARGS(iova, paddr, size),
TP_STRUCT__entry(
__field(u64, iova)
__field(u64, paddr)
__field(int, size)
),
TP_fast_assign(
__entry->iova = iova;
__entry->paddr = paddr;
__entry->size = size;
),
TP_printk("IOMMU: iova=0x%016llx paddr=0x%016llx size=0x%x",
__entry->iova, __entry->paddr, __entry->size
)
);
DEFINE_EVENT(iommu_map_unmap, map,
TP_PROTO(unsigned long iova, phys_addr_t paddr, size_t size),
TP_ARGS(iova, paddr, size)
);
DEFINE_EVENT_PRINT(iommu_map_unmap, unmap,
TP_PROTO(unsigned long iova, phys_addr_t paddr, size_t size),
TP_ARGS(iova, paddr, size),
TP_printk("IOMMU: iova=0x%016llx size=0x%x",
__entry->iova, __entry->size
)
);
#endif /* _TRACE_IOMMU_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
|
